Hardware Spec Index

Brontix FN-4643 Ultra 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4643-ULTRA · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index1,287 (Case Fans scale)
Category rank#11,370
Street price$49
Power2 W
Performance per dollar26.27
Released2023

Specifications

BrandBrontix
ModelBrontix FN-4643 Ultra
Size120 × 120 × 25 mm
Speed200–1,400 RPM (PWM)
Airflow47.6 CFM
Static pressure1.54 mmH₂O
Noise23 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4643 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/43678009 (accessed 2026-10-23).